"I came here to annihilate No. 6." In an underground cavern connected to the Correctional Facility, Shion and Rat meet the mysterious Elder, who promises to reveal the secrets of No. 6. But it turns out the grotesque origins of the Holy City are intertwined with Rat's past. Meanwhile, as No. 6 lurches to life for the Holyday, more and more citizens begins to exhibit strange symptoms!